import time


def sing():
    """唱歌 5秒钟"""
    for i in range(5):
        print("...正在唱：菊花茶...")
        time.sleep(1)


def dance():
    """跳舞 5秒钟"""
    for i in range(5):
        print("...正在跳舞...")
        time.sleep(1)


def main():
    sing()
    dance()

    
if __name__ == "__main__":
    main()
